Home / 672,007.92-1,007,661.89-316,926.60

Finding the Fourth Proportional to 672,007.92, 1,007,661.89 and 316,926.60

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Solution

The fourth proportional to 672,007.92, 1,007,661.89 and 316,926.60 is: 475,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,007.92 : 1,007,661.89 = 316,926.60 : x
  2. Step 2: Convert to fraction form
    672,007.92/1,007,661.89 = 316,926.60/x
  3. Step 3: Cross multiply
    672,007.92x = 1,007,661.89 × 316,926.60
  4. Step 4: Simplify right side
    672,007.92x = 319,354,850,124.33
  5. Step 5: Solve for x
    x = 319,354,850,124.33/672,007.92
  6. Step 6: Final answer
    x = 475,224.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.